Jan Warnsinck graduated in 1982 at Groningen University as a dentist. In 2003 he graduated from the post-graduate program Endodontology and in 2012 the post-graduate program of Gnathology at the Academic Centre for Dentistry in Amsterdam (ACTA). He works as an assistant professor at the departments of Endodontology and Oral Kinesiology at ACTA. Jan teaches under- and post-graduate students. He also authored several articles and is co-author of the Dutch textbook in Endodontology (2010). Since 2013 he no longer works in his referral practice in Endodontology and works full-time at ACTA.